Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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09/13/1977 | US4048556 Method for evaluating electrode consumption rate |
09/13/1977 | US4048377 Dried rehydratable film containing agarose or gelose and process for preparing same |
09/13/1977 | US4048049 Tube gel electrophoresis device |
09/13/1977 | US4048041 Electronic system for providing specificity in an electrochemical analytical device |
09/13/1977 | US4047893 Apparatus for measuring the alcohol content in human breath |
09/06/1977 | US4047105 Method and apparatus for providing an output indication proportional to the moisture content of particulate material |
09/06/1977 | US4047101 Filament for alkali metal ionization detector |
09/06/1977 | US4047100 Meter for measuring syrup ratio in soft drinks and the like |
09/06/1977 | US4047099 Method and apparatus for determining boiler water conductivity |
09/06/1977 | US4046667 Microelectrophoresis apparatus |
09/06/1977 | US4046661 Ceramic oxygen probe |
08/30/1977 | US4045764 Gas-sensing material |
08/30/1977 | US4045729 Gas detector |
08/30/1977 | US4045725 Rotating asymmetric electrode for measuring characteristics of electrochemical cells |
08/30/1977 | US4045319 Solid electrolyte, palladium-palladium oxide redox couple |
08/30/1977 | US4045300 Method for reducing the response time in oxygen measuring probes |
08/30/1977 | US4045296 Rate sensing batch analysis method and enzyme used therein |
08/30/1977 | US4045178 Gamma-ferric oxide and metal oxide additive |
08/30/1977 | US4045177 Apparatus for detecting combustible gases |
08/30/1977 | US4044607 Grain moisture measurement probe |
08/30/1977 | US4044601 Smoke and gas sensor element |
08/23/1977 | US4044262 Ionization smoke sensor |
08/23/1977 | US4043895 For colloids such as blood plasma protein, controlled and balanced fluid flow |
08/23/1977 | US4043890 Electrochemical cell, reaction of carbon element to provide carbon monoxide equilibrium |
08/16/1977 | US4042877 Inspection apparatus and method for detecting flaws in serially fed substantially cylindrical objects |
08/16/1977 | US4042465 Measurement of oxygen in a fluid sample and apparatus therefor |
08/16/1977 | US4042464 Method for the detection and measurement of noxious gases |
08/16/1977 | US4042427 Nitridation of iron and iron alloys |
08/16/1977 | US4042331 Process for the determination of the boron contents of pure halogensilanes |
08/16/1977 | US4041933 Electrode for polarographic measurements in physiological media |
08/16/1977 | US4041768 Device for measuring the mass of particles of an aerosol per volume unit |
08/09/1977 | US4041437 Humidity sensor |
08/09/1977 | US4041379 Apparatus for testing metal blanks utilizing at least one inspecting head moved along the surface thereof |
08/09/1977 | US4041376 Detector for detecting the state of electrically non-conductive or substantially electrically non conductive fluid |
08/09/1977 | US4041375 Apparatus for measuring content of moving dielectric materials moisture |
08/09/1977 | US4040940 Electrophoretic fractional elution apparatus employing a rotational seal fraction collector |
08/09/1977 | US4040931 Corrosion ratemeter |
08/09/1977 | US4040930 Oxygen sensor |
08/09/1977 | US4040929 Oxygen sensor having thin film electrolyte |
08/09/1977 | US4040928 Specific ion sensor and method of manufacture |
08/09/1977 | US4040908 Conversion by enzymes to hydrogen peroxide |
08/02/1977 | US4039942 System for sensing electrical potential particularly in plants |
08/02/1977 | US4039941 Gas sensor |
08/02/1977 | US4039939 Moisture measuring apparatus |
08/02/1977 | US4039934 Method of and apparatus for measuring ionic electric conductance of objects |
08/02/1977 | US4039933 Continuous calibration system and method for analytical instruments |
08/02/1977 | US4039852 Exhalation inspecting apparatus |
08/02/1977 | US4038864 Hydrocarbon measurement |
07/26/1977 | US4038158 Electrochemical generation of field desorption emitters |
07/26/1977 | US4038050 Electrical sensing and regenerating system for molecular sieve driers |
07/26/1977 | US4038034 Air-fuel ratio sensing device for internal combustion engine |
07/26/1977 | US4037773 Bonding of metals to solid electrolytes |
07/19/1977 | US4037106 Ionization-type fire or smoke sensing system |
07/19/1977 | US4036777 Mass spectrometry |
07/19/1977 | US4036724 Electrochemical cell |
07/19/1977 | US4036722 Respirometer |
07/19/1977 | US4036592 Combustion in the presence of platinum-rhodium alloy catalyst |
07/19/1977 | US4036373 Automatic inspection apparatus |
07/12/1977 | US4035721 System and method using magnetic tape for testing of small cylindrical parts |
07/12/1977 | US4035719 Conductivity cell |
07/12/1977 | US4035696 Apparatus for monitoring machine parts subject to wear |
07/12/1977 | US4035377 Slab gel electrophoresis apparatus |
07/12/1977 | US4035277 Oxygen probe |
07/05/1977 | US4034286 Device for detecting a failure in an insulation system |
07/05/1977 | US4033830 On-line amperometric analysis system and method incorporating automatic flow compensation |
07/05/1977 | US4033777 Tantalum oxide |
07/05/1977 | US4033170 Apparatus for mounting exhaust gas sensor |
07/05/1977 | US4033169 Hydrocarbon concentration sensor for use in engine exhaust gas |
06/28/1977 | US4032856 Drift compensated amplifier, particularly for measuring signals |
06/28/1977 | US4032782 Temperature stable multipole mass filter and method therefor |
06/28/1977 | US4032296 Electrolytic conductivity detector system |
06/28/1977 | US4031753 Total water content instrument |
06/28/1977 | US4031752 Web process control apparatus |
06/28/1977 | US4031747 Misfire monitor for engine analysis having automatic rescaling |
06/28/1977 | US4031606 Method of making a combination ion responsive and reference electrode |
06/21/1977 | US4030995 Agarose gel, 5-bromo-4-chloro-3-indolyl phosphate |
06/21/1977 | US4030979 Method of detecting hydrogen-producing bacteria |
06/21/1977 | US4030346 Magnetoelastic transducer arrangement |
06/21/1977 | US4030340 Hydrogen gas detector |
06/14/1977 | US4029959 Plant light sensor adaptor |
06/14/1977 | US4029889 Fluid-leak detector cable |
06/14/1977 | US4029563 Electrochemical measuring cell |
06/14/1977 | US4029554 Lubricating quality, voltage |
06/07/1977 | US4028642 Circuit for converting a temperature dependent input signal to a temperature independent output signal |
06/07/1977 | US4028618 Circuit for monitoring the conductivity of a solution |
06/07/1977 | US4028617 Ionization detector utilizing electric discharge |
06/07/1977 | US4028207 Measuring arrangements |
06/07/1977 | US4028197 Method for monitoring available chlorine in swimming pools |
06/07/1977 | US4028196 PH Responsive glass compositions and electrodes |
06/07/1977 | US4028057 Gas analyzer |
05/31/1977 | US4027238 Method and apparatus for the moisture measurement of flat structures, especially textile webs |
05/31/1977 | US4027233 Contactless inductance pickup for detecting the interface of two media |
05/31/1977 | US4026774 Coulometric measuring method |
05/31/1977 | US4026668 Control apparatus for silver halide emulsion making |
05/24/1977 | US4025892 Probe for detecting gaseous polar molecules such as water vapor |
05/24/1977 | US4025794 Ionization detectors with iron-55 as a radioactive source |
05/24/1977 | US4025412 Reference electrode incorporating a hydrogen storage buffering system |
05/24/1977 | US4025308 Electroseparative cell, microporous filter membrane |
05/24/1977 | US4024883 Flow additive suspension system |
05/17/1977 | US4024470 Eddy current detector for hot test pieces having coolant fluid and purge features |